Seiko Cal. 5280 - 920

Seiko 5280-920

The Seiko 5280-920 represents an important milestone in Seiko's 1971 lineup. Powered by the 5280 caliber with 28j jewels beating at 28,800 bph, it delivers a 44 hours power reserve. [seikata-wm-9cd20fc175a6]

Also known as: Sportsmatic, Baby Tuna

Specifications

Movement
Kinetic
Case Material
Hardlex-Coated Steel
Case Width
39mm
Case Thickness
14.9mm
Lug Width
20mm
Crystal
Mineral
Bezel
Fixed
Water Resistance
90m
Dial Color
Green
Jewels
28j
Frequency
28,800 bph
Power Reserve
44 hours
Year
1971

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seikata-wm-9cd20fc175a6